-3 and 28
x*y=-84 x+y=25 (What's known)
x=-84/y x=25-y (Solve for x)
-84/y=25-y (Set them equal using the solved x's)
-84=25y-y^2 (Simplify)
y^2-25y-84=0 (Solve for 0)
(y-28)(y+3)=0 (Factor)
y=28|y=-3 (Solve for solutions)
Factors of 84:
1|84
2|42
3|28
4|21
6|14
The numbers that multiply to make 84 and add to make 5 are 12 and -7. When you multiply 12 by -7, you get 84, and when you add them together, 12 + (-7) equals 5. Thus, the solution is 12 and -7.
none
-92
you could multiply 84 by 10 = 840 then multiply 84 by 2 = 168 add these two numbers = 1008
59
64
104
109
-936
84% means 84/100 = 0.84 multiply times 25 0.84 X 25 = 21
104
25 percent of 84 percent = 0.21